package LIst;

import java.util.ArrayList;
import java.util.List;
import java.util.Vector;

/**
 * 底层为数组集合
 * 用无参构造方法初始值为10
 */
public class VectorCLass {
    public static void main(String[] args) {
        Vector vector = new Vector();
        List vec =new ArrayList<>();
    }
}
